Question

Phosphine is generally prepared in the laboratory 

A

By heating phosphorus in a current of hydrogen

B

By heating white phosphorus with aqueous solution of caustic potash

C

By decomposition of at

D

By heating red phosphorus with an aqueous solution of caustic soda

Medium

Solution

verified
Verified by Toppr
Correct option is
B

By heating white phosphorus with aqueous solution of caustic potash

Phosphine is generally prepared in the laboratory by heating white phosphorus with an aqueous solution of caustic potash. The reaction is as follows:

White                                    Phosphine

Solve any question of The p-Block Elements with:-

Was this answer helpful?

upvote 0
downvote0